Honeywell touchpoint Pro - Page 91

MAN0923_Issue 3_04/15 Touchpoint Pro
Operating Instructions
91
6. Commissioning
1. If not already logged in, login with a valid engineer level user name
2. From the System Status screen select the Inputs icon
then select the channel to be calibrated
3. Select Calibration from the popup menu
4. Press Inhibit to inhibit the channel
5. Select Zero Adjust, and when ready press OK
6. Generate a zero signal at the sensor, preferably by forcing the output to 4 mA
7. View the signal reading until it is stable, and then press Accept
8. Conrmthatthereadingiszero,andpressSave then OK
9. Select Span Adjust
10. Enter the equivalent concentration of span gas that can be generated by the sensor
(preferably 100 %FSD, 20 mA) and press Accept
11. When ready press OK and generate an equivalent gas reading at the sensor, preferably by forcing the
output to 20 mA
12. View the signal reading until it is stable, and then press Accept
13.Conrmthatthereadingiscorrect,andpressSave then OK
14.Returnthesensortonormaloperation,andconrmthatthesignalhasreturnedtozero
15. Select Clear inhibit to remove the inhibit from the channelNote: Please read the chapter
“User Interface” before proceeding.